PhP Introduction

• Site issues
• Basic Syntax
• Logic Statements
• Functions
• Using PhP in forms
• Demonstration programs

This is a short and somewhat incomplete tour through PHP. Further details on the language may be found in the documentation and other resources below.

<?PHP 
$S1 = "PHP is a server-side embedded scripting language. 
       PHP code is embedded in a file and interpreted by the 
       webserver. This paragraph was produced with the following code:";

echo $S1 ?>

In traditional CGI scripts the web server must spawn a separate process for each script. PHP scripts differ from conventional CGI scripts in that the web server executes the script itself.

The PHP processor has two modes: copy (HTML) and interpret (PHP) Interpretation is toggled with the <php tag.

Other Resources

For details see our local version of the PHP manual or visit http://www.php.net/. It is also worth exploring the PHP links page. Other tutorials may be found at:

• DevShed.
• Tutorial at PHP.net
• Tutorial at webreview.com
• Anthony Awtrey Consulting - Database Enabled Websites
• PHP3 Introduction at Devshed
• Troubleshooting Professional Magazine's PHP Tutorial

PHP Support Sites

• PHP Home
• PHPBuilder.com
• DevShed
• Zend Zend is a commercial venture by the PHP founders.

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